Add wait_for_event route & update deps

Cargo.toml

@@ -16,11 +16,15 @@ futures = "0.3"
 chrono = { version = "0.4", features = ["serde"] }
 sled = "0.34"
 semver = "0.11"
-uuid = { version = "0.7", features = ["serde", "v4"] }
+uuid = { version = "0.8", features = ["serde", "v4"] }
 duplicate = "0.2"
 bincode = "1"
 handlebars = "3"
 
+[dependencies.tokio]
+version = "1"
+features = ["sync", "time"]
+
 [dependencies.rocket]
 #version = "0.4"
 git = "https://github.com/SergioBenitez/Rocket"

src/auth.rs

@@ -1,9 +1,10 @@
 use crate::routes::pages;
 use rocket::{
     catch,
+    form::{Form, FromForm},
     http::{Cookie, CookieJar, Status},
     post,
-    request::{Form, FromForm, FromRequest, Outcome, Request},
+    request::{FromRequest, Outcome, Request},
     response::Redirect,
     uri, State,
 };
@@ -26,10 +27,10 @@ pub struct Authorized;
 pub struct Unauthorized;
 
 #[rocket::async_trait]
-impl<'a, 'r> FromRequest<'a, 'r> for Authorized {
+impl<'a> FromRequest<'a> for Authorized {
     type Error = Unauthorized;
 
-    async fn from_request(request: &'a Request<'r>) -> Outcome<Self, Self::Error> {
+    async fn from_request(request: &'a Request<'_>) -> Outcome<Self, Self::Error> {
         let cookies = request.cookies();
 
         match cookies.get_private(AUTH_COOKIE_KEY) {

src/database/util/categories.rs

@@ -1,10 +0,0 @@
-use std::collections::HashMap;
-use crate::database::v2;
-
-pub fn get_category() -> () {
-    todo!()
-}
-
-pub fn get_all_categories() -> Result<HashMap< {
-    todo!()
-}

src/main.rs

@@ -3,11 +3,13 @@ mod database;
 mod handlebars_util;
 mod routes;
 mod status_json;
+mod util;
 
 use crate::auth::MasterPassword;
 use crate::database::migrations::migrate;
 use crate::database::unversioned::global::schema_version;
 use crate::database::SCHEMA_VERSION;
+use crate::util::EventNotifier;
 use bincode::{deserialize, serialize};
 use dotenv::dotenv;
 use rocket_contrib::serve::StaticFiles;
@@ -46,12 +48,13 @@ async fn main() -> io::Result<()> {
         }
     }
 
-    let rocket = rocket::ignite()
+    let rocket = rocket::build()
         .attach(Template::custom(|engines| {
             handlebars_util::register_helpers(engines)
         }))
         .manage(sled)
         .manage(master_pass)
+        .manage(EventNotifier::new())
         .mount("/static", StaticFiles::from("static"))
         .mount(
             "/",
@@ -73,10 +76,11 @@ async fn main() -> io::Result<()> {
                 routes::api::end_session,
                 routes::api::bump_session,
                 routes::api::delete_session,
+                routes::api::wait_for_event,
                 auth::login,
             ],
         )
-        .register(rocket::catchers![auth::login_page,]);
+        .register("/", rocket::catchers![auth::login_page,]);
 
     rocket.launch().await.expect("rocket failed to launch");
 

src/routes/api.rs

@@ -3,14 +3,16 @@ use crate::database::latest::trees::{categories, sessions};
 use crate::database::util::category::get_all_categories;
 use crate::routes::pages;
 use crate::status_json::StatusJson;
+use crate::util::EventNotifier;
 use bincode::{deserialize, serialize};
 use chrono::{Duration, Local, NaiveDateTime, TimeZone};
+use rocket::form::{Form, FromForm};
 use rocket::http::Status;
-use rocket::request::{Form, FromForm};
 use rocket::response::Redirect;
 use rocket::{get, post, uri, State};
 use rocket_contrib::json::Json;
 use rocket_contrib::uuid::Uuid;
+use serde::Serialize;
 use sled::Transactional;
 use std::collections::HashMap;
 
@@ -101,23 +103,26 @@ pub fn bump_session(
 pub fn start_session(
     _auth: Authorized,
     category_uuid: Uuid,
+    event_notifier: State<'_, EventNotifier>,
     db: State<'_, sled::Db>,
 ) -> Result<StatusJson, StatusJson> {
-    toggle_category_session(category_uuid, true, db)
+    toggle_category_session(category_uuid, true, event_notifier, db)
 }
 
 #[post("/category/<category_uuid>/end_session")]
 pub fn end_session(
     _auth: Authorized,
     category_uuid: Uuid,
+    event_notifier: State<'_, EventNotifier>,
     db: State<'_, sled::Db>,
 ) -> Result<StatusJson, StatusJson> {
-    toggle_category_session(category_uuid, false, db)
+    toggle_category_session(category_uuid, false, event_notifier, db)
 }
 
 pub fn toggle_category_session(
     category_uuid: Uuid,
     set_active: bool,
+    event_notifier: State<'_, EventNotifier>,
     db: State<'_, sled::Db>,
 ) -> Result<StatusJson, StatusJson> {
     let category_uuid_s = sled::IVec::from(serialize(&category_uuid.into_inner())?);
@@ -158,6 +163,7 @@ pub fn toggle_category_session(
                     }
 
                     tx_categories.insert(&category_uuid_s, serialize(&category).unwrap())?;
+                    event_notifier.notify_event();
                 }
             }
 
@@ -241,3 +247,26 @@ pub fn delete_session(
     //     Ok(Ok(Redirect::to(uri!(pages::history))))
     // })??)
 }
+
+#[derive(Serialize)]
+pub struct WaitForEvent {
+    timeout: bool,
+}
+
+#[get("/wait_for_event?<timeout>")]
+pub async fn wait_for_event(
+    _auth: Authorized,
+    timeout: Option<u64>,
+    event_notifier: State<'_, EventNotifier>,
+) -> Json<WaitForEvent> {
+    use std::time::Duration;
+    match tokio::time::timeout(
+        Duration::from_secs(timeout.unwrap_or(30)),
+        event_notifier.wait_for_event(),
+    )
+    .await
+    {
+        Ok(_) => Json(WaitForEvent { timeout: false }),
+        Err(_) => Json(WaitForEvent { timeout: true }),
+    }
+}

src/routes/pages/stats.rs

@@ -1,7 +1,8 @@
 use crate::auth::Authorized;
 use crate::database::latest::trees::{categories, sessions};
+use crate::database::util::category::get_category;
 use crate::status_json::StatusJson;
-use bincode::{deserialize, serialize};
+use bincode::deserialize;
 use chrono::{DateTime, Local, Timelike};
 use rocket::http::Status;
 use rocket::{get, State};
@@ -38,15 +39,11 @@ pub fn single_stats(
     category_uuid: Uuid,
     db: State<'_, sled::Db>,
 ) -> Result<Template, StatusJson> {
-    let category_uuid_s = sled::IVec::from(serialize(&category_uuid.into_inner())?);
-
     let categories_tree = db.open_tree(categories::NAME)?;
     let sessions_tree = db.open_tree(sessions::NAME)?;
 
-    let category: categories::V = match categories_tree.get(category_uuid_s)? {
-        None => Err(Status::NotFound)?,
-        Some(data) => deserialize(&data).unwrap(),
-    };
+    let category: categories::V =
+        get_category(&categories_tree, &category_uuid)?.ok_or(Status::NotFound)?;
 
     let sessions: HashMap<sessions::K, sessions::V> = sessions_tree
         .iter()

src/util.rs

@@ -0,0 +1,21 @@
+use tokio::sync::Notify;
+
+pub struct EventNotifier {
+    notify: Notify,
+}
+
+impl EventNotifier {
+    pub fn new() -> Self {
+        EventNotifier {
+            notify: Notify::new(),
+        }
+    }
+
+    pub async fn wait_for_event(&self) {
+        self.notify.notified().await;
+    }
+
+    pub fn notify_event(&self) {
+        self.notify.notify_waiters();
+    }
+}